The proper way to converting is :
avconv -i test.webm -c:a libmp3lame test.mp3
or even shorter, without telling to avconv that you want use libmp3lame encoder.
avconv -i test.webm test.mp3
Converting WEBM to MP3
The proper way to converting is :
avconv -i test.webm -c:a libmp3lame test.mp3
or even shorter, without telling to avconv that you want use libmp3lame encoder.
avconv -i test.webm test.mp3